<template>
  <div class="preview-chart">
    <div>曲线显示</div>
    <hr size=1 width="100%" align=left noshade>
    <img src="@/assets/charts.png" style="height:200px; width: 350px"/>
  </div>
</template>
<style>
  .preview-chart {
    height:252px;
    width:350px;
    border: 1px solid;
    border-radius: 10px;
    font-size:1.3rem;
  }
</style>